CONCRETE PLACER FOR MAKING CONCRETE MIX ARTICLES Russian patent published in 2001 - IPC

FIELD: production of construction panels and plates. SUBSTANCE: concrete placer has self-propeller portal, guides on which self-propelled truck is installed, and hopper turning drive. Hopper is installed on truck by means of deflecting and supporting rollers one of which is drive roller. Vibrator is installed on conical part of hopper. Dispensing port is found at opposite side. Dispensing port is provided with guides in which shutter is installed on rollers. Shutter is connected with electric motor by means of couplings, intermediate shafts, reduction gears and screws engaging with floating nuts mounted on shutter. One of end of elastic gasket is connected with upper part of dispensing port, and the other is connected to lower part of shutter. EFFECT: simplified process of article making. 2 cl, 6 dwg